import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Microsoft
 * Date: 2022-12-25
 * Time: 14:11
 */

class Animal{
    int a;
}
class Dog extends Animal{
    int a;

    @Override
    public String toString() {
        return "gaobo is cool";
    }
}
class Zhonghua extends Dog{
    int a;



    public void main(String[] args) {
        System.out.println(super.a);
    }
}
public class Test {
    public static void main(String[] args) {
        Zhonghua zhonghua = new Zhonghua();
        System.out.println(zhonghua.a);
    }
}
